Land and sea pollution, many people have given up traditional jobs e.g. fishing and joined tourism industry, accidents with ships/aircraft, oil spills, waste disposal problems, animals get scared(too many humans)

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How does Antarctica cope with tourism?

All tour operators are part of the IAATO, visitors are not allowed to visit SSSIs, all activities in Antractica need a permit, no ship carrying over 500 passengers can dock at the main harbor, smaller boats cannot have more than 100 passengers,

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What does IAATO stand for?

International Association of Antarctic Tour Operators (has a code of conduct)